Maeve

https://www.mangago.zone/read-manga/being_a_maid_is_better_than_being_a_princess/
https://www.mangago.zone/read-manga/the_lady_i_served_became_a_young_master/
https://www.mangago.zone/read-manga/i_became_the_tyrant_s_chambermaid/
https://www.mangago.zone/read-manga/how_to_survive_as_a_maid_in_a_horror_game/
https://www.mangago.zone/read-manga/the_count_s_secret_maid/
https://www.mangago.zone/read-manga/minence_grise_female_lead_is_trying_to_make_me_her_stepmom/
https://www.mangago.zone/read-manga/welcome_to_the_rose_manor/
https://www.mangago.zone/read-manga/a_revenge_guide_for_the_terminally_ill_maid/
https://www.mangago.zone/read-manga/second_life_on_the_red_carpet/
https://www.mangago.zone/read-manga/a_true_knight_does_not_blindly_follow_money/
https://www.mangago.zone/read-manga/a_flowery_path_for_the_devastated_male_lead/
https://www.mangago.zone/read-manga/the_flower_with_a_sword/
https://www.mangago.zone/read-manga/the_baby_isn_t_yours/
https://www.mangago.zone/read-manga/the_way_that_knight_lives_as_a_lady/
https://www.mangago.zone/read-manga/i_tried_to_be_her_loyal_sword/
https://www.mangago.zone/read-manga/shadowless_night/
https://www.mangago.zone/read-manga/the_villain_discovered_my_identity/
https://www.mangago.zone/read-manga/sigrid/
https://www.mangago.zone/read-manga/cinderella_wasn_t_me/
https://www.mangago.zone/read-manga/the_duke_of_ashleyan_s_contractual_marriage/
https://www.mangago.zone/read-manga/emperor_and_the_female_knight/

Have you read any of these? (≧∀≦)

Oh! The first story that comes to mind is that villainess with an hourglass, that girl is badass and mean as hell too. Well she is more like two-faced. I bet you already read it too.